diff options
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock-pxa2xx.c | 30 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock-pxa3xx.c | 161 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 41 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 51 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 170 |
8 files changed, 266 insertions, 240 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index e2f89c2c6f4..c90789e3db1 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -16,9 +16,9 @@ endif # Generic drivers that other drivers may depend upon # SoC-specific code -obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o -obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o -obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o +obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa25x.o +obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o clock-pxa2xx.o pxa2xx.o pxa27x.o +obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o clock-pxa3xx.o pxa3xx.o smemc.o pxa3xx-ulpi.o obj-$(CONFIG_CPU_PXA300) += pxa300.o obj-$(CONFIG_CPU_PXA320) += pxa320.o obj-$(CONFIG_CPU_PXA930) += pxa930.o diff --git a/arch/arm/mach-pxa/clock-pxa2xx.c b/arch/arm/mach-pxa/clock-pxa2xx.c new file mode 100644 index 00000000000..416b3f06efb --- /dev/null +++ b/arch/arm/mach-pxa/clock-pxa2xx.c @@ -0,0 +1,30 @@ +/* + * linux/arch/arm/mach-pxa/clock-pxa2xx.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <mach/pxa2xx-regs.h> + +#include "clock.h" + +void clk_pxa2xx_cken_enable(struct clk *clk) +{ + CKEN |= 1 << clk->cken; +} + +void clk_pxa2xx_cken_disable(struct clk *clk) +{ + CKEN &= ~(1 << clk->cken); +} + +const struct clkops clk_pxa2xx_cken_ops = { + .enable = clk_pxa2xx_cken_enable, + .disable = clk_pxa2xx_cken_disable, +}; diff --git a/arch/arm/mach-pxa/clock-pxa3xx.c b/arch/arm/mach-pxa/clock-pxa3xx.c new file mode 100644 index 00000000000..34a36c4af19 --- /dev/null +++ b/arch/arm/mach-pxa/clock-pxa3xx.c @@ -0,0 +1,161 @@ +/* + * linux/arch/arm/mach-pxa/clock-pxa3xx.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <mach/pxa3xx-regs.h> + +#include "clock.h" + +/* Crystal clock: 13MHz */ +#define BASE_CLK 13000000 + +/* Ring Oscillator Clock: 60MHz */ +#define RO_CLK 60000000 + +#define ACCR_D0CS (1 << 26) +#define ACCR_PCCE (1 << 11) + +/* crystal frequency to static memory controller multiplier (SMCFS) */ +static unsigned char smcfs_mult[8] = { 6, 0, 8, 0, 0, 16, }; + +/* crystal frequency to HSIO bus frequency multiplier (HSS) */ +static unsigned char hss_mult[4] = { 8, 12, 16, 24 }; + +/* + * Get the clock frequency as reflected by CCSR and the turbo flag. + * We assume these values have been applied via a fcs. + * If info is not 0 we also display the current settings. + */ +unsigned int pxa3xx_get_clk_frequency_khz(int info) +{ + unsigned long acsr, xclkcfg; + unsigned int t, xl, xn, hss, ro, XL, XN, CLK, HSS; + + /* Read XCLKCFG register turbo bit */ + __asm__ __volatile__("mrc\tp14, 0, %0, c6, c0, 0" : "=r"(xclkcfg)); + t = xclkcfg & 0x1; + + acsr = ACSR; + + xl = acsr & 0x1f; + xn = (acsr >> 8) & 0x7; + hss = (acsr >> 14) & 0x3; + + XL = xl * BASE_CLK; + XN = xn * XL; + + ro = acsr & ACCR_D0CS; + + CLK = (ro) ? RO_CLK : ((t) ? XN : XL); + HSS = (ro) ? RO_CLK : hss_mult[hss] * BASE_CLK; + + if (info) { + pr_info("RO Mode clock: %d.%02dMHz (%sactive)\n", + RO_CLK / 1000000, (RO_CLK % 1000000) / 10000, + (ro) ? "" : "in"); + pr_info("Run Mode clock: %d.%02dMHz (*%d)\n", + XL / 1000000, (XL % 1000000) / 10000, xl); + pr_info("Turbo Mode clock: %d.%02dMHz (*%d, %sactive)\n", + XN / 1000000, (XN % 1000000) / 10000, xn, + (t) ? "" : "in"); + pr_info("HSIO bus clock: %d.%02dMHz\n", + HSS / 1000000, (HSS % 1000000) / 10000); + } + + return CLK / 1000; +} + +/* + * Return the current AC97 clock frequency. + */ +static unsigned long clk_pxa3xx_ac97_getrate(struct clk *clk) +{ + unsigned long rate = 312000000; + unsigned long ac97_div; + + ac97_div = AC97_DIV; + + /* This may loose precision for some rates but won't for the + * standard 24.576MHz. + */ + rate /= (ac97_div >> 12) & 0x7fff; + rate *= (ac97_div & 0xfff); + + return rate; +} + +/* + * Return the current HSIO bus clock frequency + */ +static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk) +{ + unsigned long acsr; + unsigned int hss, hsio_clk; + + acsr = ACSR; + + hss = (acsr >> 14) & 0x3; + hsio_clk = (acsr & ACCR_D0CS) ? RO_CLK : hss_mult[hss] * BASE_CLK; + + return hsio_clk; +} + +void clk_pxa3xx_cken_enable(struct clk *clk) +{ + unsigned long mask = 1ul << (clk->cken & 0x1f); + + if (clk->cken < 32) + CKENA |= mask; + else + CKENB |= mask; +} + +void clk_pxa3xx_cken_disable(struct clk *clk) +{ + unsigned long mask = 1ul << (clk->cken & 0x1f); + + if (clk->cken < 32) + CKENA &= ~mask; + else + CKENB &= ~mask; +} + +const struct clkops clk_pxa3xx_cken_ops = { + .enable = clk_pxa3xx_cken_enable, + .disable = clk_pxa3xx_cken_disable, +}; + +const struct clkops clk_pxa3xx_hsio_ops = { + .enable = clk_pxa3xx_cken_enable, + .disable = clk_pxa3xx_cken_disable, + .getrate = clk_pxa3xx_hsio_getrate, +}; + +const struct clkops clk_pxa3xx_ac97_ops = { + .enable = clk_pxa3xx_cken_enable, + .disable = clk_pxa3xx_cken_disable, + .getrate = clk_pxa3xx_ac97_getrate, +}; + +static void clk_pout_enable(struct clk *clk) +{ + OSCC |= OSCC_PEN; +} + +static void clk_pout_disable(struct clk *clk) +{ + OSCC &= ~OSCC_PEN; +} + +const struct clkops clk_pxa3xx_pout_ops = { + .enable = clk_pout_enable, + .disable = clk_pout_disable, +}; diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index abba0089a2a..8184fe2d71c 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -3,21 +3,12 @@ */ #include <linux/module.h> #include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/string.h> #include <linux/clk.h> #include <linux/spinlock.h> -#include <linux/platform_device.h> #include <linux/delay.h> #include <asm/clkdev.h> -#include <mach/pxa2xx-regs.h> -#include <mach/hardware.h> -#include "devices.h" -#include "generic.h" #include "clock.h" static DEFINE_SPINLOCK(clocks_lock); @@ -63,18 +54,19 @@ unsigned long clk_get_rate(struct clk *clk) } EXPORT_SYMBOL(clk_get_rate); - -void clk_cken_enable(struct clk *clk) +void clk_dummy_enable(struct clk *clk) { - CKEN |= 1 << clk->cken; } -void clk_cken_disable(struct clk *clk) +void clk_dummy_disable(struct clk *clk) { - CKEN &= ~(1 << clk->cken); } -const struct clkops clk_cken_ops = { - .enable = clk_cken_enable, - .disable = clk_cken_disable, +const struct clkops clk_dummy_ops = { + .enable = clk_dummy_enable, + .disable = clk_dummy_disable, +}; + +struct clk clk_dummy = { + .ops = &clk_dummy_ops, }; diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h index f09ecb1a379..04348781ad7 100644 --- a/arch/arm/mach-pxa/clock.h +++ b/arch/arm/mach-pxa/clock.h @@ -14,6 +14,12 @@ struct clk { unsigned int enabled; }; +void clk_dummy_enable(struct clk *); +void clk_dummy_disable(struct clk *); + +extern const struct clkops clk_dummy_ops; +extern struct clk clk_dummy; + #define INIT_CLKREG(_clk,_devname,_conname) \ { \ .clk = _clk, \ @@ -34,18 +40,18 @@ struct clk clk_##_name = { \ .delay = _delay, \ } -#define DEFINE_CKEN(_name, _cken, _rate, _delay) \ +#define DEFINE_PXA2_CKEN(_name, _cken, _rate, _delay) \ struct clk clk_##_name = { \ - .ops = &clk_cken_ops, \ + .ops = &clk_pxa2xx_cken_ops, \ .rate = _rate, \ .cken = CKEN_##_cken, \ .delay = _delay, \ } -extern const struct clkops clk_cken_ops; +extern const struct clkops clk_pxa2xx_cken_ops; -void clk_cken_enable(struct clk *clk); -void clk_cken_disable(struct clk *clk); +void clk_pxa2xx_cken_enable(struct clk *clk); +void clk_pxa2xx_cken_disable(struct clk *clk); #ifdef CONFIG_PXA3xx #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay) \ @@ -57,7 +63,10 @@ struct clk clk_##_name = { \ } extern const struct clkops clk_pxa3xx_cken_ops; +extern const struct clkops clk_pxa3xx_hsio_ops; +extern const struct clkops clk_pxa3xx_ac97_ops; +extern const struct clkops clk_pxa3xx_pout_ops; + extern void clk_pxa3xx_cken_enable(struct clk *); extern void clk_pxa3xx_cken_disable(struct clk *); #endif - diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index 23136b6afa8..f29775e3e18 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -106,8 +106,8 @@ static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk) } static const struct clkops clk_pxa25x_lcd_ops = { - .enable = clk_cken_enable, - .disable = clk_cken_disable, + .enable = clk_pxa2xx_cken_enable, + .disable = clk_pxa2xx_cken_disable, .getrate = clk_pxa25x_lcd_getrate, }; @@ -162,31 +162,29 @@ static const struct clkops clk_pxa25x_gpio11_ops = { * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly) */ -static DEFINE_CKEN(pxa25x_hwuart, HWUART, 14745600, 1); - -static struct clk_lookup pxa25x_hwuart_clkreg = - INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL); /* * PXA 2xx clock declarations. */ +static DEFINE_PXA2_CKEN(pxa25x_hwuart, HWUART, 14745600, 1); +static DEFINE_PXA2_CKEN(pxa25x_ffuart, FFUART, 14745600, 1); +static DEFINE_PXA2_CKEN(pxa25x_btuart, BTUART, 14745600, 1); +static DEFINE_PXA2_CKEN(pxa25x_stuart, STUART, 14745600, 1); +static DEFINE_PXA2_CKEN(pxa25x_usb, USB, 47923000, 5); +static DEFINE_PXA2_CKEN(pxa25x_mmc, MMC, 19169000, 0); +static DEFINE_PXA2_CKEN(pxa25x_i2c, I2C, 31949000, 0); +static DEFINE_PXA2_CKEN(pxa25x_ssp, SSP, 3686400, 0); +static DEFINE_PXA2_CKEN(pxa25x_nssp, NSSP, 3686400, 0); +static DEFINE_PXA2_CKEN(pxa25x_assp, ASSP, 3686400, 0); +static DEFINE_PXA2_CKEN(pxa25x_pwm0, PWM0, 3686400, 0); +static DEFINE_PXA2_CKEN(pxa25x_pwm1, PWM1, 3686400, 0); +static DEFINE_PXA2_CKEN(pxa25x_ac97, AC97, 24576000, 0); +static DEFINE_PXA2_CKEN(pxa25x_i2s, I2S, 14745600, 0); +static DEFINE_PXA2_CKEN(pxa25x_ficp, FICP, 47923000, 0); + static DEFINE_CK(pxa25x_lcd, LCD, &clk_pxa25x_lcd_ops); -static DEFINE_CKEN(pxa25x_ffuart, FFUART, 14745600, 1); -static DEFINE_CKEN(pxa25x_btuart, BTUART, 14745600, 1); -static DEFINE_CKEN(pxa25x_stuart, STUART, 14745600, 1); -static DEFINE_CKEN(pxa25x_usb, USB, 47923000, 5); static DEFINE_CLK(pxa25x_gpio11, &clk_pxa25x_gpio11_ops, 3686400, 0); static DEFINE_CLK(pxa25x_gpio12, &clk_pxa25x_gpio12_ops, 32768, 0); -static DEFINE_CKEN(pxa25x_mmc, MMC, 19169000, 0); -static DEFINE_CKEN(pxa25x_i2c, I2C, 31949000, 0); -static DEFINE_CKEN(pxa25x_ssp, SSP, 3686400, 0); -static DEFINE_CKEN(pxa25x_nssp, NSSP, 3686400, 0); -static DEFINE_CKEN(pxa25x_assp, ASSP, 3686400, 0); -static DEFINE_CKEN(pxa25x_pwm0, PWM0, 3686400, 0); -static DEFINE_CKEN(pxa25x_pwm1, PWM1, 3686400, 0); -static DEFINE_CKEN(pxa25x_ac97, AC97, 24576000, 0); -static DEFINE_CKEN(pxa25x_i2s, I2S, 14745600, 0); -static DEFINE_CKEN(pxa25x_ficp, FICP, 47923000, 0); static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_lcd, "pxa2xx-fb", NULL), @@ -209,6 +207,9 @@ static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"), }; +static struct clk_lookup pxa25x_hwuart_clkreg = + INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL); + #ifdef CONFIG_PM #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 839548d9418..13242f2a339 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -161,36 +161,37 @@ static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk) } static const struct clkops clk_pxa27x_lcd_ops = { - .enable = clk_cken_enable, - .disable = clk_cken_disable, + .enable = clk_pxa2xx_cken_enable, + .disable = clk_pxa2xx_cken_disable, .getrate = clk_pxa27x_lcd_getrate, }; +static DEFINE_PXA2_CKEN(pxa27x_ffuart, FFUART, 14857000, 1); +static DEFINE_PXA2_CKEN(pxa27x_btuart, BTUART, 14857000, 1); +static DEFINE_PXA2_CKEN(pxa27x_stuart, STUART, 14857000, 1); +static DEFINE_PXA2_CKEN(pxa27x_i2s, I2S, 14682000, 0); +static DEFINE_PXA2_CKEN(pxa27x_i2c, I2C, 32842000, 0); +static DEFINE_PXA2_CKEN(pxa27x_usb, USB, 48000000, 5); +static DEFINE_PXA2_CKEN(pxa27x_mmc, MMC, 19500000, 0); +static DEFINE_PXA2_CKEN(pxa27x_ficp, FICP, 48000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_usbhost, USBHOST, 48000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_pwri2c, PWRI2C, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_keypad, KEYPAD, 32768, 0); +static DEFINE_PXA2_CKEN(pxa27x_ssp1, SSP1, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_ssp2, SSP2, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_ssp3, SSP3, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_pwm0, PWM0, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_pwm1, PWM1, 13000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_ac97, AC97, 24576000, 0); +static DEFINE_PXA2_CKEN(pxa27x_ac97conf, AC97CONF, 24576000, 0); +static DEFINE_PXA2_CKEN(pxa27x_msl, MSL, 48000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_usim, USIM, 48000000, 0); +static DEFINE_PXA2_CKEN(pxa27x_memstk, MEMSTK, 19500000, 0); +static DEFINE_PXA2_CKEN(pxa27x_im, IM, 0, 0); +static DEFINE_PXA2_CKEN(pxa27x_memc, MEMC, 0, 0); + static DEFINE_CK(pxa27x_lcd, LCD, &clk_pxa27x_lcd_ops); static DEFINE_CK(pxa27x_camera, CAMERA, &clk_pxa27x_lcd_ops); -static DEFINE_CKEN(pxa27x_ffuart, FFUART, 14857000, 1); -static DEFINE_CKEN(pxa27x_btuart, BTUART, 14857000, 1); -static DEFINE_CKEN(pxa27x_stuart, STUART, 14857000, 1); -static DEFINE_CKEN(pxa27x_i2s, I2S, 14682000, 0); -static DEFINE_CKEN(pxa27x_i2c, I2C, 32842000, 0); -static DEFINE_CKEN(pxa27x_usb, USB, 48000000, 5); -static DEFINE_CKEN(pxa27x_mmc, MMC, 19500000, 0); -static DEFINE_CKEN(pxa27x_ficp, FICP, 48000000, 0); -static DEFINE_CKEN(pxa27x_usbhost, USBHOST, 48000000, 0); -static DEFINE_CKEN(pxa27x_pwri2c, PWRI2C, 13000000, 0); -static DEFINE_CKEN(pxa27x_keypad, KEYPAD, 32768, 0); -static DEFINE_CKEN(pxa27x_ssp1, SSP1, 13000000, 0); -static DEFINE_CKEN(pxa27x_ssp2, SSP2, 13000000, 0); -static DEFINE_CKEN(pxa27x_ssp3, SSP3, 13000000, 0); -static DEFINE_CKEN(pxa27x_pwm0, PWM0, 13000000, 0); -static DEFINE_CKEN(pxa27x_pwm1, PWM1, 13000000, 0); -static DEFINE_CKEN(pxa27x_ac97, AC97, 24576000, 0); -static DEFINE_CKEN(pxa27x_ac97conf, AC97CONF, 24576000, 0); -static DEFINE_CKEN(pxa27x_msl, MSL, 48000000, 0); -static DEFINE_CKEN(pxa27x_usim, USIM, 48000000, 0); -static DEFINE_CKEN(pxa27x_memstk, MEMSTK, 19500000, 0); -static DEFINE_CKEN(pxa27x_im, IM, 0, 0); -static DEFINE_CKEN(pxa27x_memc, MEMC, 0, 0); static struct clk_lookup pxa27x_clkregs[] = { INIT_CLKREG(&clk_pxa27x_lcd, "pxa2xx-fb", NULL), diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index a0b123c99a4..b239c1ab3ed 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -38,184 +38,15 @@ #include "devices.h" #include "clock.h" -/* Crystal clock: 13MHz */ -#define BASE_CLK 13000000 - -/* Ring Oscillator Clock: 60MHz */ -#define RO_CLK 60000000 - -#define ACCR_D0CS (1 << 26) -#define ACCR_PCCE (1 << 11) - #define PECR_IE(n) ((1 << ((n) * 2)) << 28) #define PECR_IS(n) ((1 << ((n) * 2)) << 29) -/* crystal frequency to static memory controller multiplier (SMCFS) */ -static unsigned char smcfs_mult[8] = { 6, 0, 8, 0, 0, 16, }; - -/* crystal frequency to HSIO bus frequency multiplier (HSS) */ -static unsigned char hss_mult[4] = { 8, 12, 16, 24 }; - -/* - * Get the clock frequency as reflected by CCSR and the turbo flag. - * We assume these values have been applied via a fcs. - * If info is not 0 we also display the current settings. - */ -unsigned int pxa3xx_get_clk_frequency_khz(int info) -{ - unsigned long acsr, xclkcfg; - unsigned int t, xl, xn, hss, ro, XL, XN, CLK, HSS; - - /* Read XCLKCFG register turbo bit */ - __asm__ __volatile__("mrc\tp14, 0, %0, c6, c0, 0" : "=r"(xclkcfg)); - t = xclkcfg & 0x1; - - acsr = ACSR; - - xl = acsr & 0x1f; - xn = (acsr >> 8) & 0x7; - hss = (acsr >> 14) & 0x3; - - XL = xl * BASE_CLK; - XN = xn * XL; - - ro = acsr & ACCR_D0CS; - - CLK = (ro) ? RO_CLK : ((t) ? XN : XL); - HSS = (ro) ? RO_CLK : hss_mult[hss] * BASE_CLK; - - if (info) { - pr_info("RO Mode clock: %d.%02dMHz (%sactive)\n", - RO_CLK / 1000000, (RO_CLK % 1000000) / 10000, - (ro) ? "" : "in"); - pr_info("Run Mode clock: %d.%02dMHz (*%d)\n", - XL / 1000000, (XL % 1000000) / 10000, xl); - pr_info("Turbo Mode clock: %d.%02dMHz (*%d, %sactive)\n", - XN / 1000000, (XN % 1000000) / 10000, xn, - (t) ? "" : "in"); - pr_info("HSIO bus clock: %d.%02dMHz\n", - HSS / 1000000, (HSS % 1000000) / 10000); - } - - return CLK / 1000; -} - void pxa3xx_clear_reset_status(unsigned int mask) { /* RESET_STATUS_* has a 1:1 mapping with ARSR */ ARSR = mask; } -/* - * Return the current AC97 clock frequency. - */ -static unsigned long clk_pxa3xx_ac97_getrate(struct clk *clk) -{ - unsigned long rate = 312000000; - unsigned long ac97_div; - - ac97_div = AC97_DIV; - - /* This may loose precision for some rates but won't for the - * standard 24.576MHz. - */ - rate /= (ac97_div >> 12) & 0x7fff; - rate *= (ac97_div & 0xfff); - - return rate; -} - -/* - * Return the current HSIO bus clock frequency - */ -static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk) -{ - unsigned long acsr; - unsigned int hss, hsio_clk; - - acsr = ACSR; - - hss = (acsr >> 14) & 0x3; - hsio_clk = (acsr & ACCR_D0CS) ? RO_CLK : hss_mult[hss] * BASE_CLK; - - return hsio_clk; -} - -void clk_pxa3xx_cken_enable(struct clk *clk) -{ - unsigned long mask = 1ul << (clk->cken & 0x1f); - - if (clk->cken < 32) - CKENA |= mask; - else - CKENB |= mask; -} - -void clk_pxa3xx_cken_disable(struct clk *clk) -{ - unsigned long mask = 1ul << (clk->cken & 0x1f); - - if (clk->cken < 32) - CKENA &= ~mask; - else - CKENB &= ~mask; -} - -const struct clkops clk_pxa3xx_cken_ops = { - .enable = clk_pxa3xx_cken_enable, - .disable = clk_pxa3xx_cken_disable, -}; - -static const struct clkops clk_pxa3xx_hsio_ops = { - .enable = clk_pxa3xx_cken_enable, - .disable = clk_pxa3xx_cken_disable, - .getrate = clk_pxa3xx_hsio_getrate, -}; - -static const struct clkops clk_pxa3xx_ac97_ops = { - .enable = clk_pxa3xx_cken_enable, - .disable = clk_pxa3xx_cken_disable, - .getrate = clk_pxa3xx_ac97_getrate, -}; - -static void clk_pout_enable(struct clk *clk) -{ - OSCC |= OSCC_PEN; -} - -static void clk_pout_disable(struct clk *clk) -{ - OSCC &= ~OSCC_PEN; -} - -static const struct clkops clk_pout_ops = { - .enable = clk_pout_enable, - .disable = clk_pout_disable, -}; - -static void clk_dummy_enable(struct clk *clk) -{ -} - -static void clk_dummy_disable(struct clk *clk) -{ -} - -static const struct clkops clk_dummy_ops = { - .enable = clk_dummy_enable, - .disable = clk_dummy_disable, -}; - -static struct clk clk_pxa3xx_pout = { - .ops = &clk_pout_ops, - .rate = 13000000, - .delay = 70, -}; - -static struct clk clk_dummy = { - .ops = &clk_dummy_ops, -}; - static DEFINE_PXA3_CKEN(pxa3xx_ffuart, FFUART, 14857000, 1); static DEFINE_PXA3_CKEN(pxa3xx_btuart, BTUART, 14857000, 1); static DEFINE_PXA3_CKEN(pxa3xx_stuart, STUART, 14857000, 1); @@ -236,6 +67,7 @@ static DEFINE_PXA3_CKEN(pxa3xx_mmc2, MMC2, 19500000, 0); static DEFINE_CK(pxa3xx_lcd, LCD, &clk_pxa3xx_hsio_ops); static DEFINE_CK(pxa3xx_camera, CAMERA, &clk_pxa3xx_hsio_ops); static DEFINE_CK(pxa3xx_ac97, AC97, &clk_pxa3xx_ac97_ops); +static DEFINE_CLK(pxa3xx_pout, &clk_pxa3xx_pout_ops, 13000000, 70); static struct clk_lookup pxa3xx_clkregs[] = { INIT_CLKREG(&clk_pxa3xx_pout, NULL, "CLK_POUT"), |